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Because of this limitation, she spent her last years in Shelbyville, Indiana, in the same retirement center as Edna Parker, the record holder of oldest living human at the time, who actually survived Allen for a few months.
Turnbull died in his sleep at the age of 91 on April 12, 1996 at Fairhaven Retirement Center in Sykesville, Maryland.
" Blank spoke of "those years with 'a kind of electricity in the air, where everything was happening fast and all at once.'" In 2011, he lived in a retirement center across the street from the old Fairchild headquarters at 844 Charleston Rd. in Palo Alto, where he used to have his office and now a California Historical Landmark.